baber/WOPTO huggingface dataset:
Patent KR-20000019204-A (KR)
Title: Photo catalyst for generating zinc sulfide hydrogen and producing method of hydrogen
Inventor: PARK DAE CHEOL
IPC: B01J27/045
Filed: 1998-09-09
Abstract: PURPOSE: A photo catalyst having a semi-eternal life span is provided to activate a catalyst in a visible ray area regulated with a photo filter and to improve the amount of generating hydrogen. CONSTITUTION: In an equation of Pt(x)Zn/£M(y)|S, x shows a weight percentage of Pt and has a 0.05 to 2.50 value, and M is an element metal selected among V, Cr, Mo, Mn, Re, Fe, Ru, Os, Rh, Ir, Ni, Cu, Al, Ga and P. In addition, y shows a mole % of M/(M+Zn) and has a 0.01 to 20.00 value. Herein, a compound containing Zn and M is dissolved in water so M as to be 0.01 to 20, and H2S or Na2S is given in the compound to obtain a Zn(M)S deposit. Then, the deposit is washed with water until pH becomes 7, and the washed deposit is dried. The Pt compound of a liquid phase is given in the dried Zn(M)S deposit so the Pt content as to be 0.05 to 2.50 wt%, and an ultra violet photo is injected to dope Pt on Zn£M|S in a nitrogen atmosphere. Then, it is washed and dried again until pH becomes 7, oxidation-calcined at 280 to 420°C for 1 to 3 hours and reduction-calcined at 280 to 420°C for 1 to 3 hours.
Patent KR-20000019466-A (KR)
Title: Plasma display device within self diagnosis function
Inventor: PARK SU WON
IPC: G09G3/28
Filed: 1998-09-11
Abstract: PURPOSE: PDP is provided to recognize a malfunction location by having a self-diagnosis function. CONSTITUTION: Plasma display device has panels controller(1), panels modular(2), power supply(3), pan controller(4), micro computer(5), EEP-ROM(6) for saving a malfunction signal of lower potential, data reproducer(7) and many LED(8). If malfunction signal P0 is lower potential, LED2 is on. If malfunction signal P1 is lower potential, LED3 is on. If malfunction signal P3 is lower potential, all LED is off. So user recognizes a malfunction location.
Patent KR-20000019951-A (KR)
Title: Device for producing co extruded film
Inventor: SONG KYEONG SU
IPC: B29C47/04
Filed: 1998-09-16
Abstract: PURPOSE: A device for producing a co extruded film is provided to supply a co extruded film having various layer combination in a short time by producing the co extruded film having plural resin layers having different characteristics, continuously changing the layer combination without stopping a working process. CONSTITUTION: A convert unit(10) is formed with a combination shaft formed on both faces so one side as to be rotated by combining with a rotation device(11) in the center between an extruder unit(30) and a co extrusion die unit(50) and plural supplying holes on the outside in a producing device, In addition, the producing device is composed of an inflow unit(25) formed with an inflow hole and a line converter(20) consisted of a discharging unit(28) formed with a discharging hole. A sheet shape of a plural layers discharged from the co extrusion die is produced with the co extruded film, passing through a rolling, a cooling and a winding up process.
Patent KR-19990037040-A (KR)
Title: 회전수 검출용 센서의 배치구조
IPC: F16H48/40
Filed: 1998-10-13
Abstract: 본 발명에 따른 차동 장치는 링 기어(6) 및 그 링 기어의 회전 속도를 검출하기 위한 센서를 포함한다.  링 기어의 한쪽은 복수의 티쓰(7)를 갖는다.  센서는 링 기어가 회전할 때 센서를 통과하는 티쓰를 검출한다.  각 투쓰는 링 기어의 회전축에 평행한 외부 단부면을 갖는다.  센서는 기어로부터 이격되고 방사상으로 기어의 축에 대향한다.
Patent KR-20000025951-A (KR)
Title: Method for discriminating sort of disk in optical disk apparatus
Inventor: AHN HWA SIK
IPC: G11B19/12
Filed: 1998-10-13
Abstract: PURPOSE: A method for discriminating a sort of a disk is provided to detect a focus error signal detected by a coating plane exactly and to prevent a focus error signal detected by a data plane from being saturated, by amplifying a focus error signal variably at discriminating the sort of an optical disk. CONSTITUTION: A method for discriminating the sort of an optical disk comprises the steps of: increasing a gain of a focus error signal while an optical pickup approaches an optical disk; detecting a signal over a predetermined value from the amplified focus error signal; restoring the increased gain below a gain before the increasing step; detecting a signal over a predetermined value from the focus error signal amplified by the restored gain; and discriminating the sort of an optical disk depending on a difference of detection times of detected signals in the detecting steps.
Patent KR-20000027237-A (KR)
Title: Address generating apparatus for driving data strobe signal in semiconductor memory device
Inventor: YOON MIN HO
IPC: G11C11/413
Filed: 1998-10-27
Abstract: PURPOSE: An address generating apparatus for driving a data strobe signal in semiconductor memory device is provided to prevent the collis ion of an address by generating an address for selectively driving a data strobe signal in an appropriate timing. CONSTITUTION: A delay unit(100) responds to a signal(Casa6) and a signal(clkt4_lw) and delays a signal(ADD9) by one clock. A pass gate(101) responds to the signal(Casa6) and switches the delayed address signal(wt_dly) outputted from the delay unit(100). A pass gate(102) responds to a signal(Casa6_rd) and switches the signal(ADD9). A pass gate(103) is connected to the pass gate(101) and the pass gate(102) and responds to the signal(Casa6_rd), and then switches outputs of the pass gate(101) and the pass gate(102). A latch unit(104) latches an output signal of the pass gate(103). A pass gate(105) responds to a signal(Casa6_rw) and switches an output signal of the latch unit(104).
Patent KR-20000027831-A (KR)
Title: Socket lifting apparatus for semiconductor test board
Inventor: LEE GYU HO
IPC: H01L21/68
Filed: 1998-10-29
Abstract: PURPOSE: A socket lifting apparatus for a semiconductor test board is provided to make it easy to exchange a socket and to prevent the socket from being damaged by providing an improved lifting structure. CONSTITUTION: A socket lifting apparatus for a semiconductor test board includes a receptacle (20) and a receptacle needle formed on a bottom of the receptacle(20) and fitted into a fitting hole vertically formed the test board(10). The receptacle(20) is provided at its top with a plurality of insertion holes(26) communicating with the receptacle needle. A groove is formed inside the insertion hole(26). A socket pin(92) inserted into the insertion hole(26) of the receptacle(20) is formed on a socket(90), and a lifting member(30) installed within the groove of the receptacle(20) to lift the socket(90).
Patent KR-20000027999-A (KR)
Title: Method of controlling low room temperature of refrigerator
Inventor: PARK EUN KYEONG
IPC: F25D29/00
Filed: 1998-10-30
Abstract: PURPOSE: A method is provided to prevent a freezing chamber from cooling weakly by resetting the working rate of a refrigerator at low room temperature corresponding to the change in an external temperature of the refrigerator. CONSTITUTION: A low room temperature of a refrigerator is controlled by the steps of: deciding the low room temperature according to the detected temperature by an external temperature sensor; deciding if the detected external temperature is higher than a certain first temperature; lowering a specific drive-on point of a compressor if the drive-on point is higher than the drive-off point; and lowering a specific drive-off point if the external temperature is lower than a certain temperature for preventing overcooling.
Patent KR-19990045405-A (KR)
Title: 브레이크 배력장치
IPC: B60T13/72
Filed: 1998-11-19
Abstract: 브레이크 배력장치는 밸브 보디 내에 솔레노이드를 구비하고 있으며, 브레이크 배력장치의 비 작동상태에서 솔레노이드를 여자시키면, 솔레노이드의 피스톤이 작동위치로 이동되며, 그에 따라서 진공밸브가 폐쇄되는 한편, 대기밸브가 개방된다. 이것에 의하여, 브레이크 페달을 밟는 일 없이 브레이크 배력장치가 자동 브레이크로서 작동된다. 또한, 브레이크 배력장치는, 예컨대 도 1에 도시하는 스프링(55)으로 이루어지는 출력제한수단을 구비하고 있으므로, 브레이크 배력장치가 상술한 바와 같이 자동 브레이크로서 작동되고나서 출력이 상승하면, 상기 출력제한수단에 의해 출력의 상승이 정지된다. 
     이와 같은 구성에 의하면, 운전자의 의사와는 관계없이 솔레노이드가 오작동되었다 하더라도, 급 브레이크가 걸리는 일 없이 완만한 브레이크가 걸리는 것으로 되어, 안전성을 향상시킬 수가 있다.
Patent KR-20000033298-A (KR)
Title: Apparatus for measuring internal pressure of high-pressure breaker using optical signals
Inventor: PARK HAE SOO
IPC: G01R15/00
Filed: 1998-11-19
Abstract: PURPOSE: An apparatus for measuring internal pressure of a high-pressure breaker using optical signals is provided to convert electric signals corresponding to internal pressure of a high pressure breaker to optical signals, thereby transmitting through a transmission line made of an optical fiber, converting the transmitted optical signals to electric signals and measuring the internal pressure of the high pressure breaker. CONSTITUTION: An apparatus for measuring internal pressure of a high-pressure breaker using optical signals comprises the parts of: a piezoelectric convert circuit(1) dividing and outputting signals corresponding to internal pressure of a high pressure breaker to two resistances (R1, R2); a bias voltage generator(2) generating and outputting a specific level of bias voltage; a buffer(3) outputting the above voltage distributed internal pressure signals and the above generated bias voltage using two arithmetic amplifiers(OP1, OP2); an adder(4) adding and outputting the above buffered electric signals and the above bias voltage using majority of resistances(R3-R7) and the above arithmetic amplifier; a driver(5) outputting currents corresponding to the above added signals using the arithmetic amplifier(OP4), transistor(Q1), diode(D1), and majority of resistances(R8-R10); a luminous element(LED, 6) emitting lights according to the above driving current; a photo diode(PD, 7) intercepting the above luminous optics through the optical fiber; an optic/electric converter(8) converting the above received optics to electric signals using the arithmetic amplifier and two resistances(R11, R12); a differential amplifying circuit(9) comparing the converted electric signals with the reference voltage and amplifying differently and then separating signals corresponding to the internal pressure inputted through the above Piezo, using the differential amplifier(OP6); a reference voltage generator(11) generating the above reference voltage; a main amplifier(10) amplifying signals corresponding to the above divided internal pressure more than a specific level using the arithmetic amplifier(OP7).
Patent KR-20000033901-A (KR)
Title: Apparatus for testing block of switch function in switching system
Inventor: EOM JAE WOOK
IPC: H04Q11/08
Filed: 1998-11-26
Abstract: PURPOSE: An apparatus for testing block of a switching function in a mobile switching center is provided to increase test reliability of the switch function block by making it possible to test for channels under operation as well, in the case of testing whether the switching function of the switch function block is normal. CONSTITUTION: A processor matching part reports error information to a upper level processor. A first data abstraction part abstracts the error information of a channel corresponding to channel information from the processor matching part. A latency part delays the abstracted data from the first data abstraction part. A second data abstraction part abstracts the data of a channel corresponding to channel information from the processor matching part. A comparison part transmits the error information of a bit unit. A counting part counts the error information of the bit unit and reports it to the processor matching part.
Patent KR-20000038000-A (KR)
Title: Conveyor for transferring material in curved section
Inventor: KIM MYEONG SO
IPC: B65G15/60
Filed: 1998-12-03
Abstract: PURPOSE: A conveyor is provided to easily transfer a transferring material in a curved section. CONSTITUTION: An upper stand(35) of an integrated roller is installed in a radiation direction from the center of an arch in a curved section. The upper stand forms a lower stand(72) of a return roller in the structure of a hinge bar(54) and a hinge shaft(52). The lower stand is properly moved as much as centrifugal force generated to a carrier belt(32) and a return belt(70) even if each centrifugal force is different. After a bearing attachment wheel(40) is inserted into a guide rail(15) while supporting the upper stand, the carrier belt swings as much as the sum of centrifugal force caused by the interference of the return belt. Therefore, a transferring material is transferred as much as centrifugal force generated from the curved section.
Patent KR-20000038690-A (KR)
Title: Method for fabricating flash memory cell
Inventor: YUN SEOK MAN
IPC: H01L21/8247
Filed: 1998-12-08
Abstract: PURPOSE: A method for fabricating a flash memory cell is provided to improve erasing efficiency by increasing an overlapped area between a floating gate and a source region and to prevent an undesired cell from being programmed. CONSTITUTION: A method for fabricating a flash memory cell comprises forming a first gate oxide(45) on an active region of a p-type substrate(41), forming a first polysilicon layer(47) on the gate oxide, forming a lightly doped region(49) of n-type at side of the active region, removing an exposed portion of the gate oxide(45), forming a second gate oxide(51) selectively which is thinner than the first gate oxide, removing the first polysilicon layer(47) at a central portion of the active region, forming a second polysilicon layer(53) beside the first polysilicon layer, forming a source and a drain region(55, 57), wherein the lightly doped region encircles the source region, forming a third polysilicon layer(59), a lay-insulating layer(61) and a fourth polysilicon layer(63) in order and patterning them(59, 61, 63) to form a floating gate(65) and a control gate(67).
Patent KR-20000039645-A (KR)
Title: Method for detecting number of rotation in dc motor
Inventor: HAN MYUNG TAK
IPC: G01P3/00
Filed: 1998-12-15
Abstract: PURPOSE: A method for detecting number of rotation in DC motor is provided to detect the number without a separate sensor for detecting the number by identifying the rotation of the DC motor using a pulse component of the current of the DC motor. CONSTITUTION: A method for detecting number of rotation in DC motor comprises steps of: asymmetrically disposing the inductance of a coil within the DC motor; and identifying the rotation of the DC motor by using a pulse component of the current of the DC motor when the motor is driven. The asymmetrical disposing step consists of causing the inductance and the resistance of at least one polar of plural polars within the DC motor to be different from those of the other polars.
Patent KR-20000040683-A (KR)
Title: Cutting apparatus for semiconductor integrated circuit device
Inventor: KIM YEONG MUN
IPC: H01L23/28
Filed: 1998-12-19
Abstract: PURPOSE: A cutting apparatus is provided to separate semiconductor integrated circuit devices from a tape circuit substrate at one time. CONSTITUTION: A cutting apparatus(100) includes a punching die(60) for supporting a tape circuit substrate(80) and punches(70) for cutting the tape circuit substrate(80). The tape circuit substrate(80) includes a plurality of semiconductor integrated circuit(IC) devices(87) formed thereon. The punching die(60) includes punching blocks(62) each of which corresponds to the IC device(87) and is formed on a top surface(68) of the die(60). Each punching block(62) supports a bottom of the IC device(87), whereas a recess portion(64) centrally formed in the block(62) receives solder balls formed under the IC device(87). The punching die(60) further includes index pins(66) to be inserted into holes(89) of the tape circuit substrate(80). Each punch(70) corresponding to the punching block(62) includes a punch body and a fixing rod. While the punch body has an internal rectangular hole wider than the IC device(87), the fixing rod is located in the internal hole. When the IC devices(87) are supported by the punching blocks(62) and the fixing rods press down the IC devices(87), the punch bodies go down and cut the tape circuit substrate(80). Therefore, the IC devices(87) are separated from the tape circuit substrate(80).
Patent KR-20000040900-A (KR)
Title: Method for simultaneously recording two channels of video tape recorder
Inventor: KIM YEONG UN
IPC: G11B15/02
Filed: 1998-12-21
Abstract: PURPOSE: A method is provided to record and enlarge a broadcasting program by using a television recorder having a PIP(picture-in-picture) function to watch a main screen and a sub screen by simultaneously receiving two broadcast channels. CONSTITUTION: Broadcasting signals of two channels are received and stored after converting to digital data. A compression is performed with a method to obtain an average value based on a peripheral image by receiving stored two broadcasting programs. The broadcasting program of the first channel is stored in a upper part based on memory areas(100a,100b) of the whole image and the broadcasting program of the second channel is stored in the lower part. Two compressed and composed broadcasting programs are recorded by a common recording function of VCR. The recorded broadcasting programs are played back with a common playback method. A played signal is stored by converting to a digital. The image of one stored part is outputted by enlarging according to a user's request with dividing the upper and the lower parts.
Patent KR-20000045147-A (KR)
Title: Qam/vsb adaptive channel equalizer
Inventor: LEE CHANG EUI
IPC: H04N5/44
Filed: 1998-12-30
Abstract: PURPOSE: A QAM(Quadrature Amplitude Modulation)/VSB(Vestigial Side Band) adaptive channel equalizer is provided to operate a complex number filter when a QAM signal for a cable broadcast is received, and a real number filter when 8-VSB signal for a ground broadcast is received. CONSTITUTION: A QAM/VSB adaptive channel equalizer includes four limited impulse responsive filters(411,417,431,437), a first and second adders(419,439) and a controller(441). The first limited impulse responsive filter filters a received first I channel signal by using a first or second filter coefficient. The second limited impulse responsive filter filters a received I channel signal or I channel signal delayed by an N symbol by using a third or fourth filter coefficient. The third limited impulse responsive filter filters a received Q channel signal or I channel signal delayed by a 2N symbol by using a fifth or sixth filter coefficient. The fourth limited impulse responsive filter filters a received I channel signal or I channel signal delayed by an 3N symbol by using a seventh or eighth filter coefficient. The first adder adds the output of the first limited impulse responsive filter to the output of the third limited impulse responsive filter. The second adder adds the output of the second limited impulse responsive filter to the output of the fourth limited impulse responsive filter. The controller supplies into the first through fourth limited impulse responsive filters by generating the first, third, fifth, seventh filter coefficients and the second, fourth, sixth, eighth filter coefficients according to the QAM/VSB selection signal.
Patent KR-20000047207-A (KR)
Title: Channel modem test method for satellite communication system
Inventor: SHIN YOUNG HO
IPC: H04B7/185
Filed: 1998-12-31
Abstract: PURPOSE: A channel modem test method for a satellite communication system is provided for testing a performance of a channel modem in a terminal station. CONSTITUTION: When a channel modem test message is received from a center station(ST1), a processor(53) reads a channel modem information which will be tested in a channel modem test message and stores into a test information storing unit(ST2). When a call request data is received from a subscriber of a base station(ST3), the processor(53) performs a number interpretation with respect to a corresponding signal arrival subscription number that is call-connected by a subscriber who requested a call(ST4). If it is judged that the signal arrival subscriber number corresponds to a subscriber of a local station(ST5), the processor(53) allocates a test channel modem stored in the data information storing unit(36) to a signal transmission subscriber and changes the operation mode of the test channel modem(24) to the test mode.
Patent KR-19990029059-A (KR)
Title: 금속 절삭용 공구
IPC: B23D61/06
Filed: 1996-07-11
Abstract: 본 발명은 인덱싱 가능한 절삭 삽입체를 수용하기 위해 한개 또는 여러개의 절삭 삽입대(1)를 포함하는 절삭 금속 기계 가공용 공구에 관한 것으로, 각각의 삽입대는 인덱싱 가능한 절삭 삽입체용이고, 각각의 삽입대는 저부 지지면(10)과 적어도 2개의 측면을 포함하며, 상기 2개의 측면은 실질적으로 서로 직각으로 형성되어 있다.  상기 측면 중 하나는 2개의 측면(12, 16)을 포함하며, 상기 측면은 저부 지지면(10)의 평면으로부터 상이한 거리에 배치되어 있으며, 상기 저부 지지면 중 하나는 사각형 절삭 삽입체용 지지면으로 그리고 나머지 하나는 특히 육각형 형상을 가진 삽입체용 지지면으로 사용하도록 되어 있다.  상기 방식으로 하나의 동일한 삽입대에 사각형 또는 육각형 절삭 삽입체의 어느 것도 수용할 수 있으며, 따라서 상기 삽입체는 절삭 경제성을 상당히 개량시키게 된다.
Patent KR-19990036398-A (KR)
Title: 2 개의 다른 니켈 멧트로부터 습식 야금식 니켈 회수 방법
IPC: C22B23/00
Filed: 1996-08-06
Abstract: 본 발명은  하나의 방법에서 니켈을 회수하는 방법  및  2 개의 건식 야금식으로 제조된 니켈 멧트중 하나가 상당한 퍼센티지로 철을 함유하는 2 개의 건식 야금식으로 제조된 니켈 멧트의 동일 방법에 관한 것이다.     철-함유 니켈 멧트의 침출을 멧트를 함유하는 철이 덜 함유된 철이 용해성 일 때  멧트를 함유하는 철이 덜 함유된 침출 순환으로부터 용액을  한 단에서 멧트를 함유하는 더 많은 철의 침출에서 수행함으로써  한 단계에서 달성한다.     멧트내에 함유된 철을 철 백반석으로서 유리하게 침출시키고  멧트를 함유하는 더 많은 철의 침출시에 생성된 용액을 멧트를 함유하는 더 적은 철의 침출 순환으로 재수행한다.
Patent KR-20000016153-A (KR)
Title: Hydroformylation process and catalysts suitable therefor containing phosphorus compounds as ligands
Inventor: BREIT BERNHARD
IPC: C07F9/6568
Filed: 1997-05-28
Abstract: PURPOSE: A preparation method of aldehyde by hydroformylation of olefin in the presence of transition metal complexes of the element periodic table containing phosphorus compounds as ligands using CO/H2 is provided which gives the high yield rate. CONSTITUTION: Aldehydes is manufactured by hydroformylation of olefins with CO/H2 in the presence of complexes of transition metals of subgroup VIII of the periodic system of elements, which complexes contain phosphorus compounds as ligands. The process is carried out at temperatures of up to 200°C(preferably 50-150) and pressures of up to 700 bar and uses catalysts which containing lambda ¬3, sigma ¬2- phosphorus compounds as ligands which can act as complexing agents. The process further concerns novel phosphabenzenes.
Patent KR-20000050640-A (KR)
Inventor: LEE SANG GIN
IPC: G06F1/26
Filed: 1999-01-13
Abstract: PURPOSE: A system of a multi-media computer is provided to operate additional function circuits having a compact disk playing function and a radio receiving function, although a computer system is not operated. CONSTITUTION: A system of a multi-media computer comprises a power supplying circuit(10), power switches(20,21,22), an audio circuit(60), and a power managing controller(30). The power supplying circuit(10) supplies a main power, an auxiliary power, and a keep alive power. The power switches(20,21,22) indicate the auxiliary power supply to a radio circuit and a compact disk(CD)-read only memory(ROM) drive embarked in the system, under a condition that the system power is turned off. The audio circuit(60) amplifies an audio signal generated from the CD-ROM drive and the radio circuit to a speaker to output the audio signal. The power managing controller(30) is operated by supplying the keep alive power. The power managing controller(30) responds to an input of the power switches so that the power supplying circuit supplies the auxiliary power to the CD-ROM drive or the radio circuit, and supplies the power to the audio circuit.
Patent KR-19990068052-A (KR)
Title: 광학 정보 기록 매체 및 그 제조방법
IPC: B82B1/00
Filed: 1999-01-21
Abstract: 기록 필름(2)은 진공 필름 형성 공정에 의하여 형성된다. 기록 필름(2)은 기록 레이저 빔이 기록 필름으로 방사될 때 열적으로 분해되는 물질을 포함한다. 이 물질이 기록 레이저 빔의 방사에 의하여 열적으로 분해될 때, 열적 분해에 의하여 생성되는 물질은 기록 필름 내에 침전되므로 굴절율의 변화는 기록 필름(2)에서 야기되는 변형에 비하여 현저하게 발생된다. 그 결과, 정보는 기록 필름(2)의 야기되는 변형이 거의 없으면서 기록 필름 내에 기록된다.